Disease Outbreak Alerts

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

State

Disease

Dates

April 16, 2018

Equine Infectious Anemia

Polk County, IA

Confirmed case(s): Official Quarantine

Source:
Iowa Department of Agriculture

The Iowa Department of Agriculture (IDALS) officials confirmed Equine Infectious Anemia (EIA) in two Polk County horses. The positive horses have been euthanized and the premises will remain under quarantine until requirements for release have been met.

On April 13, 2018, the California Department of Food and Agriculture (CDFA) confirmed equine herpesvirus myeloencephalopathy in a 17 year old Thoroughbred gelding, originating from an Orange County facility. The gelding was displaying neurologic signs and has been isolated offsite and placed under quarantine. Exposed horses will be monitored for clinical signs and temperatures will be taken twice daily. Any horse displaying a fever or compatible clinical signs will be tested. CDFA staff is onsite and will continue to monitor the situation.

The Florida Department of Agriculture has reported the following cases of Strangles in April 2018. On April 3, one premise in St. Johns County, Florida was placed under quarantine for clinical signs and a positive PCR of Strangles. The clinical horse is the only horse on the property. This is the first Strangles quarantine for St. Johns County. On April 6, one premise in Okeechobee County, Florida was placed under quarantine for clinical signs and a positive PCR of Strangles. Two of the three horses on the property are showing clinical signs after recently arriving from a kill pen in Louisiana. This is the first Strangles quarantine for Okeechobee County. On April 12, one premise in Volusia County, Florida was placed under quarantine for clinical signs and a positive PCR of Strangles. One of the two horses on the property is showing clinical signs. This is the second Strangles quarantine in Volusia County and brings the total count of Strangles cases to 22 in the state of Florida in 2018.

The Florida Department of Agriculture and consumer services confirmed the following cases of Strangles March of 2018: On March 15, one premise in Sarasota County, Florida was placed under quarantine for clinical signs and a positive PCR of Strangles. One of the six horses on the property is showing clinical signs at this time. This is the first Strangles quarantine in Sarasota County. On March 28, one premise in Marion County, Florida was placed under quarantine for clinical signs and a positive PCR of Strangles. One of the 12 horses on the property is showing clinical signs at this time. This is the first Strangles quarantine for Marion County. On March 29, one premise in Palm Beach County, Florida was placed under quarantine for positive PCR results of Strangles. Neither of the two horses on the property are showing clinical signs at this time. This is the second Strangles quarantine in Palm Beach County. On March 29, one premise in Seminole County, Florida was placed under quarantine for clinical signs and a positive PCR of Strangles. One of the five horses on the property is showing clinical signs at this time. This is the first Strangles quarantine for Seminole County. On March 30, one premise in Osceola County, Florida was placed under quarantine for clinical signs and a positive PCR of Strangles. One of the nine horses on the property is showing clinical signs at this time. This is the first Strangles quarantine for Osceola County. These cases bring the total count of confirmed Strangles quarantines to 19 for 2018.

On April 5, 2018 the Florida Department of Agriculture and Consumer Services confirmed EEE in one horse in Baker County. The three-year-old Paint filly became clinical on March 11, 2018 and was humanely euthanized on March 12, 2018 due to a poor prognosis. The vaccine history is unknown.

The South Dakota Animal Industry Board confirmed Equine Herpesvirus Myeloencephalopathy in a horse in Lincoln County. The horse became ill with neurologic signs including incoordination and difficulty walking. The horse was treated at a local veterinary clinic. The horse has traveled extensively in South Dakota for cutting and sorting events in the past few weeks. The owner has agreed to a voluntary quarantine and monitoring the other horses on the premises.

April 10, 2018

Equine Infectious Anemia

Liberty County, TX

Confirmed case(s): Official Quarantine

Source:
Texas Animal Health Commission

The Texas Animal Health Commission (TAHC) officials confirmed Equine Infectious Anemia (EIA) in one Liberty County horse The positive horse has been euthanized and the premises will remain under quarantine until requirements for release have been met.

April 10, 2018

Equine Herpes Viruses

Union County, NJ

Quarantine Released

Source:
New Jersey Department of Agriculture

The New Jersey Department of Agriculture has confirmed that the Union County premises in New Jersey has been released from quarantine and has resumed normal activities following a 21-day period with no new cases of equine herpesvirus myeloencephalopathy. Both the horse that tested positive for EHM and the horse that tested positive for the respiratory form of EHV-1 have recovered.

April 06, 2018

Equine Herpes Viruses

King County, WA

Confirmed case(s): Official Quarantine

Source:
Washington State Department of Agriculture

The Washington State Department of Agriculture has confirmed a case of Equine Herpes Virus-1 (neurotropic) in King County, Washington. The horse was moved to an isolation area on the property and the premise has been quarantined. There are two other premises that will be quarantined due to recent movement of horses from the index property to other equine facilities. Temperatures will be taken twice daily and strict equine biosecurity is in place. If an owner has a horse exhibiting neurological signs or suspects of Equine Herpes Virus, they are directed to call their veterinarian immediately. For more information go to: https://aaep.org/sites/default/files/Documents/DiseaseFactsheetEHM.pdf.

The Wyoming Livestock Board released the quarantine on all premises related to the second equine herpesvirus myeloencephalopathy (EHM) outbreak in Sheridan County. This includes one affected horse, 19 exposed horses and two premises. There are no other currently active cases of EHM in the state.

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